package com.ljx.service;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.ljx.exception.GuliException;
import com.ljx.utils.ConstantVodUtils;
import com.ljx.utils.InitVodClient;
import io.swagger.models.auth.In;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

/**
 * @author 李加喜
 * @date 2020/9/27 0027 10:46
 * @Email 1129071273@qq.com
 */
@Service
public class VodServiceImpl implements VodService {
    //文件的时候上传
    @Override
    public String upadteFile(MultipartFile file) {
        String vdoUid= null;
        try {
            //获取上传的文件名称
            String fileName=file.getOriginalFilename();
            //上传之后显示的文件名称
            String title=fileName.substring(0,fileName.lastIndexOf("."));
            //获取上传的文件流
            InputStream inputStream=file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET,title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);
            vdoUid = null;
            if (response.isSuccess()) {
                vdoUid=response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                vdoUid=response.getVideoId();
            }
            return vdoUid;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
    //文件的删除
    @Override
    public void removeMoreAlyVideo(List videoIdList) {
        try {
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            //创建删除视频request对象
            DeleteVideoRequest request = new DeleteVideoRequest();

            //videoIdList值转换成 1,2,3
            String videoIds = StringUtils.join(videoIdList.toArray(), ",");

            //向request设置视频id
            request.setVideoIds(videoIds);
            //调用初始化对象的方法实现删除
            client.getAcsResponse(request);
        }catch(Exception e) {
            e.printStackTrace();
            throw new GuliException(20001,"删除视频失败");
        }
    }
}
